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Finding the Fourth Proportional to 11,042.32, 16,569.96 and 7,918.96

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Solution

The fourth proportional to 11,042.32, 16,569.96 and 7,918.96 is: 11,883.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,042.32 : 16,569.96 = 7,918.96 : x
  2. Step 2: Convert to fraction form
    11,042.32/16,569.96 = 7,918.96/x
  3. Step 3: Cross multiply
    11,042.32x = 16,569.96 × 7,918.96
  4. Step 4: Simplify right side
    11,042.32x = 131,216,850.44
  5. Step 5: Solve for x
    x = 131,216,850.44/11,042.32
  6. Step 6: Final answer
    x = 11,883.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.